Paint brush



FIG. 1 is a front perspective view of the invention.

FIG. 2 is a top plan view of FIG. 1, the bottom plan view being a mirrorimage thereof.

FIG. 3 is a left side elevation view of FIG. 1, the right side elevationbeing a mirror image thereof.

FIG. 4 is a right side elevation view of FIG. 1; and,

FIG. 5 is a left side elevation view of FIG. 1.

The broken lines showing bristle and handle sections illustrate portionsof the paint brush that form no part of the claimed design.

The ornamental design for a paint brush, as shown and described.